package com.changgou.order.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fescar.spring.annotation.GlobalTransactional;
import com.changgou.goods.feign.SkuFeign;
import com.changgou.order.config.RabbitMQConfig;
import com.changgou.order.dao.*;
import com.changgou.order.pojo.*;
import com.changgou.order.service.CartService;
import com.changgou.order.service.OrderService;
import com.changgou.pay.feign.PayFeign;
import com.changgou.util.IdWorker;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import tk.mybatis.mapper.entity.Example;

import java.time.LocalDate;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderMapper orderMapper;

    @Autowired
    private CartService cartService;

    @Autowired
    private IdWorker idWorker;

    @Autowired
    private OrderItemMapper orderItemMapper;

    @Autowired
    private RedisTemplate redisTemplate;

    @Autowired
    private SkuFeign skuFeign;

    @Autowired
    private TaskMapper taskMapper;

    @Autowired
    private OrderLogMapper orderLogMapper;

    @Autowired
    private RabbitTemplate rabbitTemplate;

    @Autowired
    private PayFeign payFeign;

    @Autowired
    private OrderConfigMapper orderConfigMapper;

    /**
     * 查询全部列表
     *
     * @return
     */
    @Override
    public List<Order> findAll() {
        return orderMapper.selectAll();
    }

    /**
     * 根据ID查询
     *
     * @param id
     * @return
     */
    @Override
    public Order findById(String id) {
        return orderMapper.selectByPrimaryKey(id);
    }

    /**
     * 增加
     *
     * @param order
     */
    @Override
    @GlobalTransactional(name = "order_add")
    //@Transactional
    public String add(Order order) {
        //1.获取购物车的相关数据(redis)
        Map cartMap = cartService.list(order.getUsername());
        List<OrderItem> orderItemList = (List<OrderItem>) cartMap.get("orderItemList");

        //2.统计计算:总金额,总数量
        //3.填充订单数据并保存到tb_order
        order.setTotalNum((Integer) cartMap.get("totalNum"));
        order.setTotalMoney((Integer) cartMap.get("totalMoney"));
        order.setPayMoney((Integer) cartMap.get("totalMoney"));
        order.setCreateTime(new Date());
        order.setUpdateTime(new Date());
        order.setBuyerRate("0"); // 0:未评价  1:已评价
        order.setSourceType("1"); //1:WEB
        order.setOrderStatus("0"); //0:未完成 1:已完成 2:已退货
        order.setPayStatus("0"); //0:未支付 1:已支付
        order.setConsignStatus("0"); //0:未发货 1:已发货
        String orderId = idWorker.nextId() + "";
        order.setId(orderId);
        orderMapper.insertSelective(order);

        //4.填充订单项数据并保存到tb_order_item
        for (OrderItem orderItem : orderItemList) {
            orderItem.setId(idWorker.nextId() + "");
            orderItem.setIsReturn("0"); //0:未退货 1:已退货
            orderItem.setOrderId(orderId);
            orderItemMapper.insertSelective(orderItem);
        }
        //扣减库存并增加销量
        skuFeign.decrCount(order.getUsername());
        //添加任务数据
        Task task = new Task();
        task.setCreateTime(new Date());
        task.setUpdateTime(new Date());
        task.setMqExchange(RabbitMQConfig.EX_BUYING_ADDPOINTUSER);
        task.setMqRoutingkey(RabbitMQConfig.CG_BUYING_ADDPOINT_KEY);
        //任务表数据
        Map map = new HashMap();
        map.put("username", order.getUsername());
        map.put("orderId", order.getId());
        map.put("point", order.getPayMoney());
        task.setRequestBody(JSON.toJSONString(map));
        //添加到数据库中
        int i = taskMapper.insertSelective(task);

        System.out.println(i);

        //5.删除购物车数据(redis)
        redisTemplate.delete("cart_" + order.getUsername());

        //发送延迟消息,用于更新未支付订单
        rabbitTemplate.convertAndSend("", "queue.ordercreate", orderId);

        return orderId;
    }


    /**
     * 修改
     *
     * @param order
     */
    @Override
    public void update(Order order) {
        orderMapper.updateByPrimaryKey(order);
    }

    /**
     * 删除
     *
     * @param id
     */
    @Override
    public void delete(String id) {
        orderMapper.deleteByPrimaryKey(id);
    }


    /**
     * 条件查询
     *
     * @param searchMap
     * @return
     */
    @Override
    public List<Order> findList(Map<String, Object> searchMap) {
        Example example = createExample(searchMap);
        return orderMapper.selectByExample(example);
    }

    /**
     * 分页查询
     *
     * @param page
     * @param size
     * @return
     */
    @Override
    public Page<Order> findPage(int page, int size) {
        PageHelper.startPage(page, size);
        return (Page<Order>) orderMapper.selectAll();
    }

    /**
     * 条件+分页查询
     *
     * @param searchMap 查询条件
     * @param page      页码
     * @param size      页大小
     * @return 分页结果
     */
    @Override
    public Page<Order> findPage(Map<String, Object> searchMap, int page, int size) {
        PageHelper.startPage(page, size);
        Example example = createExample(searchMap);
        return (Page<Order>) orderMapper.selectByExample(example);
    }

    /**
     * 修改订单的支付状态,并记录日志
     *
     * @param orderId
     * @param transactionId
     */
    @Override
    public void updatePayStatus(String orderId, String transactionId) {
        //查询需要修改的订单
        Order order = orderMapper.selectByPrimaryKey(orderId);
        if (order != null && "0".equals(order.getPayStatus())) {
            //修改订单的状态信息
            order.setPayStatus("1");
            order.setOrderStatus("1");
            order.setUpdateTime(new Date());
            order.setPayTime(new Date());
            order.setTransactionId(transactionId);//微信返回的交易流水号
            orderMapper.updateByPrimaryKeySelective(order);
            //记录订单的日志信息
            OrderLog orderLog = new OrderLog();
            orderLog.setId(idWorker.nextId() + "");
            orderLog.setOperater("system");// 系统
            orderLog.setOperateTime(new Date());//当前日期
            orderLog.setOrderStatus("1");
            orderLog.setPayStatus("1");
            orderLog.setRemarks("支付流水号" + transactionId);
            orderLog.setOrderId(order.getId());
            orderLogMapper.insert(orderLog);
        }
    }


    /**
     * 关闭本地订单的功能
     *
     * @param orderId
     */
    @Override
    @Transactional
    public void closeOrder(String orderId) {

        //查询订单的信息
        Order order = orderMapper.selectByPrimaryKey(orderId);
        //根据订单的状态信息,来校验符合条件的订单
        //1.查询的订单是否存在
        if (order == null) {
            throw new RuntimeException("订单信息不存在");
        }
        //2.订单的是否支付
        if (!"0".equals(order.getOrderStatus())) {
            System.out.println("此订单不需要关闭");
            return;
        }
        //----订单校验完成----

        //调用微信订单查询,查询微信订单的状态
        Map queryMap = (Map) payFeign.queryOrder(orderId).getData();

        System.out.println(queryMap);

        //1.如果微信订单的状态已成功支付,进行补偿操作
        if ("SUCCESS".equals(queryMap.get("trade_state"))) {
            this.updatePayStatus(orderId, (String) queryMap.get("transaction_id"));
            System.out.println("补偿操作完成");
        }

        //2.如果微信订单的状态是未支付状态,进行关闭订单的操作
        if ("NOTPAY".equals(queryMap.get("trade_state"))) {
            //设置状态
            order.setOrderStatus("4");
            order.setCloseTime(new Date());
            orderMapper.updateByPrimaryKeySelective(order);

            //记录订单变动日志
            OrderLog orderLog = new OrderLog();
            orderLog.setId(idWorker.nextId() + "");
            orderLog.setOperater("system");// 系统
            orderLog.setOperateTime(new Date());//当前日期
            orderLog.setOrderStatus("4");
            orderLog.setOrderId(order.getId());
            orderLogMapper.insert(orderLog);

            //恢复库存和销售量数据
            OrderItem _orderItem = new OrderItem();
            _orderItem.setOrderId(orderId);

            List<OrderItem> orderItemList = orderItemMapper.select(_orderItem);
            for (OrderItem orderItem : orderItemList) {
                String skuId = orderItem.getSkuId();
                Integer num = orderItem.getNum();

                skuFeign.resumeStockNum(skuId, num);
            }

            //关闭微信订单
            payFeign.closeOrder(orderId);

            System.out.println("over");

        }
    }

    /**
     * 手动确认收货
     *
     * @param orderId
     * @param operator
     */
    @Override
    public void confirmTask(String orderId, String operator) {

        Order order = orderMapper.selectByPrimaryKey(orderId);

        if (order == null) {
            throw new RuntimeException("订单不存在");
        }
        if (!"1".equals(order.getConsignStatus())) {
            throw new RuntimeException("订单未发货");
        }
        order.setConsignStatus("2"); //已送达
        order.setOrderStatus("3");//已完成
        order.setUpdateTime(new Date());
        order.setEndTime(new Date());//交易结束
        orderMapper.updateByPrimaryKeySelective(order);
        //记录订单变动日志
        OrderLog orderLog = new OrderLog();
        orderLog.setId(idWorker.nextId() + "");
        orderLog.setOperateTime(new Date());//当前日期
        orderLog.setOperater(operator);//系统？管理员？用户？
        orderLog.setOrderStatus("3");
        orderLog.setConsignStatus("2");
        orderLog.setOrderId(order.getId());
        orderLogMapper.insertSelective(orderLog);

    }



    @Override
    @Transactional
    public void autoTake() {
        //读取订单配置表的信息
        OrderConfig orderConfig = orderConfigMapper.selectByPrimaryKey("1");
        //获得时间节点
        LocalDate now = LocalDate.now();
        //获取过期日期时间节点
        LocalDate date =now.plusDays( -orderConfig.getTakeTimeout() );
        System.out.println(date);
        //按条件查询过期的订单
        Example example = new Example(Order.class);
        Example.Criteria criteria = example.createCriteria();
        criteria.andLessThan("consignTime", date);
        criteria.andEqualTo("orderStatus","2");
        List<Order> orderList = orderMapper.selectByExample(example);
        //修改订单中所有的收货状态
        for (Order order : orderList) {
            this.confirmTask(order.getId(),"system");
        }
    }

    /**
     * 构建查询对象
     *
     * @param searchMap
     * @return
     */
    private Example createExample(Map<String, Object> searchMap) {
        Example example = new Example(Order.class);
        Example.Criteria criteria = example.createCriteria();
        if (searchMap != null) {
            // 订单id
            if (searchMap.get("id") != null && !"".equals(searchMap.get("id"))) {
                criteria.andEqualTo("id", searchMap.get("id"));
            }
            // 支付类型，1、在线支付、0 货到付款
            if (searchMap.get("payType") != null && !"".equals(searchMap.get("payType"))) {
                criteria.andEqualTo("payType", searchMap.get("payType"));
            }
            // 物流名称
            if (searchMap.get("shippingName") != null && !"".equals(searchMap.get("shippingName"))) {
                criteria.andLike("shippingName", "%" + searchMap.get("shippingName") + "%");
            }
            // 物流单号
            if (searchMap.get("shippingCode") != null && !"".equals(searchMap.get("shippingCode"))) {
                criteria.andLike("shippingCode", "%" + searchMap.get("shippingCode") + "%");
            }
            // 用户名称
            if (searchMap.get("username") != null && !"".equals(searchMap.get("username"))) {
                criteria.andLike("username", "%" + searchMap.get("username") + "%");
            }
            // 买家留言
            if (searchMap.get("buyerMessage") != null && !"".equals(searchMap.get("buyerMessage"))) {
                criteria.andLike("buyerMessage", "%" + searchMap.get("buyerMessage") + "%");
            }
            // 是否评价
            if (searchMap.get("buyerRate") != null && !"".equals(searchMap.get("buyerRate"))) {
                criteria.andLike("buyerRate", "%" + searchMap.get("buyerRate") + "%");
            }
            // 收货人
            if (searchMap.get("receiverContact") != null && !"".equals(searchMap.get("receiverContact"))) {
                criteria.andLike("receiverContact", "%" + searchMap.get("receiverContact") + "%");
            }
            // 收货人手机
            if (searchMap.get("receiverMobile") != null && !"".equals(searchMap.get("receiverMobile"))) {
                criteria.andLike("receiverMobile", "%" + searchMap.get("receiverMobile") + "%");
            }
            // 收货人地址
            if (searchMap.get("receiverAddress") != null && !"".equals(searchMap.get("receiverAddress"))) {
                criteria.andLike("receiverAddress", "%" + searchMap.get("receiverAddress") + "%");
            }
            // 订单来源：1:web，2：app，3：微信公众号，4：微信小程序  5 H5手机页面
            if (searchMap.get("sourceType") != null && !"".equals(searchMap.get("sourceType"))) {
                criteria.andEqualTo("sourceType", searchMap.get("sourceType"));
            }
            // 交易流水号
            if (searchMap.get("transactionId") != null && !"".equals(searchMap.get("transactionId"))) {
                criteria.andLike("transactionId", "%" + searchMap.get("transactionId") + "%");
            }
            // 订单状态
            if (searchMap.get("orderStatus") != null && !"".equals(searchMap.get("orderStatus"))) {
                criteria.andEqualTo("orderStatus", searchMap.get("orderStatus"));
            }
            // 支付状态
            if (searchMap.get("payStatus") != null && !"".equals(searchMap.get("payStatus"))) {
                criteria.andEqualTo("payStatus", searchMap.get("payStatus"));
            }
            // 发货状态
            if (searchMap.get("consignStatus") != null && !"".equals(searchMap.get("consignStatus"))) {
                criteria.andEqualTo("consignStatus", searchMap.get("consignStatus"));
            }
            // 是否删除
            if (searchMap.get("isDelete") != null && !"".equals(searchMap.get("isDelete"))) {
                criteria.andEqualTo("isDelete", searchMap.get("isDelete"));
            }

            // 数量合计
            if (searchMap.get("totalNum") != null) {
                criteria.andEqualTo("totalNum", searchMap.get("totalNum"));
            }
            // 金额合计
            if (searchMap.get("totalMoney") != null) {
                criteria.andEqualTo("totalMoney", searchMap.get("totalMoney"));
            }
            // 优惠金额
            if (searchMap.get("preMoney") != null) {
                criteria.andEqualTo("preMoney", searchMap.get("preMoney"));
            }
            // 邮费
            if (searchMap.get("postFee") != null) {
                criteria.andEqualTo("postFee", searchMap.get("postFee"));
            }
            // 实付金额
            if (searchMap.get("payMoney") != null) {
                criteria.andEqualTo("payMoney", searchMap.get("payMoney"));
            }

        }
        return example;
    }

}
